Thursday, August 16, 2018

Tdap vaccine given to pregnant women did not increase risk of autism in children, study says

Using electronic medical records from Kaiser Permanente Southern California hospitals, the researchers studied more than 80,000 children from a four-year period to determine whether there were more instances of autism among those whose mothers had been vaccinated during pregnancy.
The research showed that 569 children (or 1.5 percent) whose mothers received the vaccination were later diagnosed with autism, compared with 772 children (or 1.8 percent) whose mothers did not get the shot. Becerra-Culqui said in an email that after taking into account other differences between the vaccinated and unvaccinated groups, “there was no association found between the Tdap vaccine received during pregnancy and autism in children.”